Jump to content

  • Sign up for FREE! Become a GM-Trucks.com Member Today!

    In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. 

    • Sign In
    • or
    • Sign Up
    • or

2020 Silverado HD & Sierra HD Troubleshooting

A central location to report any issues or asking for help troubleshooting any problems with your 2020 Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500. Also recall announcements and Technical Service Bulletins (TSB).

62 topics in this forum

  1. Trailer lights 1 2 3

    By Jordan94,   
    • 34 replies
    • 2,875 views

  3. 2020 GMC 2500 HD DENALI TRANSMISSION PROBLEMS

    By tkcrane89,
    • 4 replies
    • 596 views

  4. Engine knock a 500 miles 1 2 3 4

    By bass mechanic,
    • 50 replies
    • 3,413 views

  5. 2020 2500HD Transmission issues

    By gpraceworks,
    • 14 replies
    • 928 views

  6. infotainment radomly shuts off

    By Nathan Leslie,
    • 7 replies
    • 284 views

  7. Highway speed vibration on 2020? 1 2 3 4

    By Ckhris,
    • 57 replies
    • 3,861 views

  8. Radio does not come back after ending calls

    By hogcard,
    • 0 replies
    • 29 views

  9. Truck not sitting level

    By Christopher Murphy,
    • 1 reply
    • 160 views

  10. Intermittent locked in park. 1 2

    By dlockwood26,
    • 17 replies
    • 693 views

  11. Rear view camera while in drive?

    By skorpyd,
    • 3 replies
    • 211 views

  12. Fuel pump priming when doors open?

    By LSX Z28,
    • 5 replies
    • 273 views

  13. truck won't lock unless I have keys

    By hogcard,
    • 1 reply
    • 98 views

  14. Electrical issue

    By Babahead,
    • 0 replies
    • 57 views

  15. Bluetooth iPhone Issues

    By YF26Dmax,
    • 7 replies
    • 390 views

  16. calls made on iphone won't stay on truck speakers

    By hogcard,
    • 0 replies
    • 42 views

  17. Running wiring into cab

    By Doug59,
    • 1 reply
    • 57 views

  18. Ticking noise

    By bharris515,
    • 7 replies
    • 298 views

  19. 2 Odd Noises When Driving Off-Road

    By Muleytime,
    • 4 replies
    • 204 views

  20. Traction Control Activating on Left Turns 1 2

    By Tville,   
    • 15 replies
    • 647 views

  21. B&W for multipro tailgate FS

    By bharris515,
    • 0 replies
    • 79 views

  22. Fuel filter reset

    By Irish80,
    • 5 replies
    • 228 views

  23. Transmission running hot

    By RickeyS,
    • 4 replies
    • 272 views

  24. Seat warmers stopped.

    By Irish80,
    • 3 replies
    • 185 views

  25. Noisy steering column

    By STGS,
    • 12 replies
    • 458 views

  26. Engine oil fill tube

    By C1carguy,
    • 0 replies
    • 86 views


×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.

  I accept